NB1064d, Naiba River: Late/Upper Maastrichtian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda
- Ammonitida
- Pachydiscidae
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Pachydiscus subcompressus
Matsumoto 1954
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see common names |
Geography
Country: | Russian Federation | State/province: | Sakhalin |
Coordinates: | 47.4° North, 142.5° East (view map) | ||
Paleocoordinates: | 51.4° North, 130.4° East | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
Key time interval: | Late/Upper Maastrichtian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
Formation: | Krasnoyarka | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: K4 unit, upper Maastrichtian |
Lithology and environment
Primary lithology: | concretionary lithified mudstone |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis |
Collection method comments: Repository: National Museum of Nature and Science, Tsukuba (NMNS) |
Metadata
Database number: | 228952 | ||
Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
Created: | 2023-01-22 00:24:18 | Last modified: | 2023-01-22 00:24:18 |
Access level: | the public | Released: | 2023-01-22 00:24:18 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
83762. | Y. Shigeta and H. Maeda. 2023. Late Maastrichtian (latest Cretaceous) ammonoids from the Naiba area, southern Sakhalin, Russian Far East. Paleontological Research 27:277-309 [M. Clapham/M. Clapham] |